Longjian Road & Bridge. 

Longjian Road&Bridge Co.,Ltd engages in the construction and design of highway projects, municipal roads and bridges in China and internationally. It provides services for infrastructure construction technical development, engineering design, consulting, construction, management, etc.; and invests, operates and maintains related infrastructure. The company's products include infrastructures for highway, municipal, railway, construction and other industries. In addition, it also engages in the provision of general contracting of highway engineering construction, highway pavement, and subgrade engineering; bridge and tunnel engineering; and municipal public works construction. The company was formerly known as Beiman Special Steel Co., Ltd. and changed its name to Longjian Road&Bridge Co.,Ltd in May 2002. Longjian Road&Bridge Co.,Ltd was founded in 1993 and is based in Harbin, China.